From 9e48dfc4fd53a2bc53367568077fbea44f88eda2 Mon Sep 17 00:00:00 2001 From: "David A. Mellis" Date: Sat, 6 Oct 2007 13:04:46 +0000 Subject: Moving libraries out from inside targets and creating bootloaders directory. --- .../digital_potentiometer.pde | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 libraries/Wire/examples/digital_potentiometer/digital_potentiometer.pde (limited to 'libraries/Wire/examples/digital_potentiometer') diff --git a/libraries/Wire/examples/digital_potentiometer/digital_potentiometer.pde b/libraries/Wire/examples/digital_potentiometer/digital_potentiometer.pde new file mode 100644 index 0000000..35ee5d6 --- /dev/null +++ b/libraries/Wire/examples/digital_potentiometer/digital_potentiometer.pde @@ -0,0 +1,34 @@ +// I2C Digital Potentiometer +// by Nicholas Zambetti +// and Shawn Bonkowski + +// Demonstrates use of the Wire library +// Controls AD5171 digital potentiometer via I2C/TWI + +// Created 31 March 2006 + +#include + +void setup() +{ + Wire.begin(); // join i2c bus (address optional for master) +} + +byte val = 0; + +void loop() +{ + Wire.beginTransmission(44); // transmit to device #44 (0x2c) + // device address is specified in datasheet + Wire.send(0x00); // sends instruction byte + Wire.send(val); // sends potentiometer value byte + Wire.endTransmission(); // stop transmitting + + val++; // increment value + if(val == 64) // if reached 64th position (max) + { + val = 0; // start over from lowest value + } + delay(500); +} + -- cgit v1.2.3-18-g5258